The atomic oxygen flux exposure experiments flown on Space Shuttle flights STS-5 and STS-8 are described along with the results of measurements made on hardware returned from the Solar Maximum repair mission (Space Shuttle flight 41-C). In general, these experiments have essentially provided for passive exposure of samples to oxygen fluences of approximately 1 to 3.5 x 10(20) atoms/sq cm. Atmospheric density is used to derive fluence and is dependent on solar activity, which has been on the decline side of the 11-year cycle. Thus, relatively low flight altitudes of less than 300 km were used to acquire these exposures. After exposure, the samples were analyzed using various methods ranging from mass loss to extensive scanning electron microscopy and surface analysis techniques. Results are summarized and implications for the space station are discussed.


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    Title :

    Review of Low Earth Orbital (LEO) Flight Experiments


    Contributors:
    L. Leger (author) / B. Santosmason (author) / J. Visentine (author) / J. Kuminecz (author)

    Publication date :

    1987


    Size :

    10 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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